高中数学代数与函数一函数练习题92
题目内容

下图是函数 http://picflow.koolearn.com/upload/papers/20140823/20140823210640907573.png的导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823210640954490.png的图象,则下面判断正确的是(  )

2021-08-04

A.在区间(-2,1)上http://picflow.koolearn.com/upload/papers/20140823/20140823210640970463.png是增函数

B.在区间(1,3)上http://picflow.koolearn.com/upload/papers/20140823/20140823210640970463.png是减函数

C.在区间(4,5)上http://picflow.koolearn.com/upload/papers/20140823/20140823210640970463.png是增函数

D.当http://picflow.koolearn.com/upload/papers/20140823/20140823210641016356.png时,http://picflow.koolearn.com/upload/papers/20140823/20140823210640970463.png取极大值http://picflow.koolearn.com/upload/papers/20140823/201408232106410482010.png

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